/**
 * ***************************************************************************** Copyright (c) 2005,
 * 2006 Subclipse project and others. All rights reserved. This program and the accompanying
 * materials are made available under the terms of the Eclipse Public License v1.0 which accompanies
 * this distribution, and is available at http://www.eclipse.org/legal/epl-v10.html
 *
 * <p>Contributors: Subclipse project committers - initial API and implementation
 * ****************************************************************************
 */
package org.tigris.subversion.subclipse.ui.subscriber;

import java.util.ArrayList;
import java.util.Iterator;
import org.eclipse.compare.structuremergeviewer.IDiffElement;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IResource;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.team.core.synchronize.FastSyncInfoFilter;
import org.eclipse.team.core.synchronize.SyncInfo;
import org.eclipse.team.ui.synchronize.ISynchronizeModelElement;
import org.eclipse.team.ui.synchronize.ISynchronizePageConfiguration;
import org.eclipse.team.ui.synchronize.SynchronizeModelAction;
import org.eclipse.team.ui.synchronize.SynchronizeModelOperation;
import org.tigris.subversion.subclipse.core.ISVNLocalResource;
import org.tigris.subversion.subclipse.core.SVNException;
import org.tigris.subversion.subclipse.core.resources.SVNWorkspaceRoot;

/** @author Martin Letenay (letenay at tigris dot org) */
public class IgnoreSynchronizeAction extends SynchronizeModelAction {

  public IgnoreSynchronizeAction(String text, ISynchronizePageConfiguration configuration) {
    super(text, configuration);
  }

  /* (non-Javadoc)
   * @see org.eclipse.team.ui.synchronize.SynchronizeModelAction#getSyncInfoFilter()
   */
  protected FastSyncInfoFilter getSyncInfoFilter() {
    return new FastSyncInfoFilter() {
      public boolean select(SyncInfo info) {
        SyncInfoDirectionFilter filter = new SyncInfoDirectionFilter(new int[] {SyncInfo.OUTGOING});
        if (!filter.select(info)) return false;
        IStructuredSelection selection = getStructuredSelection();
        ISynchronizeModelElement element = (ISynchronizeModelElement) selection.getFirstElement();
        IResource resource = element.getResource();
        if (resource == null) return false;
        ISVNLocalResource svnResource = SVNWorkspaceRoot.getSVNResourceFor(resource);
        try {
          // If the resource is a IProject then the action should not be enabled.
          if (svnResource.getIResource() instanceof IProject) return false;
          // If the parent is not managed there is no way to set the svn:ignore property
          if (!svnResource.getParent().isManaged()) {
            return false;
          }
          return !svnResource.getStatus().isManaged() && resource.exists();
        } catch (SVNException e) {
          return false;
        }
      }
    };
  }

  protected SynchronizeModelOperation getSubscriberOperation(
      ISynchronizePageConfiguration configuration, IDiffElement[] elements) {
    ArrayList selectedElements = new ArrayList();
    IStructuredSelection selection = getStructuredSelection();
    Iterator iter = selection.iterator();
    while (iter.hasNext()) {
      ISynchronizeModelElement synchronizeModelElement = (ISynchronizeModelElement) iter.next();
      IResource resource = synchronizeModelElement.getResource();
      selectedElements.add(resource);
    }
    IResource[] resources = new IResource[selectedElements.size()];
    selectedElements.toArray(resources);
    return new IgnoreSynchronizeOperation(configuration, elements, resources);
  }
}
